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Author Topic: Speedo drive washer  (Read 491 times)

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Offline MARKC1982

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Speedo drive washer
« on: July 07, 2023, 08:01:09 AM »


Anyone know if there is something in uk I can buy one of these?
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Offline bryanj

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Re: Speedo drive washer
« Reply #1 on: July 07, 2023, 10:25:07 PM »
Dont think so, try asking on the uk site
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Semi Geriatric ex-Honda mechanic and MOT tester (UK version of annual inspection). Garage full of "projects" mostly 500/4 from pre 73 (no road tax in UK).

Remember "Its always in the last place you look" COURSE IT IS YOU STOP LOOKIN THEN!

Offline newday777

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Re: Speedo drive washer
« Reply #2 on: July 10, 2023, 12:03:26 AM »
Quote from: MARKC1982 on July 07, 2023, 08:01:09 AM


Anyone know if there is something in uk I can buy one of these?

Welcome to the forum
For what bike Mark??
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Stu
Honda Parts manager in the mid 1970s Nashua Honda
My current rides
1975 K5 Planet Blue my summer ride, it was a friend's bike I worked with at the Honda shop in 76, lots of fun to be on it again
1976 K6 Anteres Red rebuilding project, was originally my brother's that I set up from the crate, it'll breath again soon!
Project 750s, 2 K4, 2 K6, 1 K8
2008 GL1800 my daily ride and cross country runner

Prior bikes....
1972 Suzuki GT380 I had charge of it for a year in 1973 while my friend was deployed and learned to love street riding....
New CB450 K7 after my friend returned...
New CB750 K5 Planet Blue, demise by ex cousin in law at 9,000 miles...
New CB750 K6 Anteres Red, to replace the totaled K5, I sold this K6 at 45k in 1983, I had heavily modified it, many great memories on it and have missed it greatly.....
1983 GL1100A, 1999 GL1500 SE, 1999 GL1500A

Offline BenelliSEI

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Re: Speedo drive washer
« Reply #3 on: July 10, 2023, 03:16:25 PM »
I have several old style drive units, but from memory none of the SOHC cb750 units have locating screws. What bike?
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Offline bryanj

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Re: Speedo drive washer
« Reply #4 on: July 11, 2023, 04:33:58 AM »
None of them did, thats an adapted type for twin discs, the very first 750 had a drive plate with two tabs bent down to drive from the flats machined on the hub but this was changed to stop speedo needle waver.
There is myth going round that you need an early 500 drive plate for twin disc but all 500 are same as later 750, its the early 750 you need, long obsoleted by the way
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Semi Geriatric ex-Honda mechanic and MOT tester (UK version of annual inspection). Garage full of "projects" mostly 500/4 from pre 73 (no road tax in UK).

Remember "Its always in the last place you look" COURSE IT IS YOU STOP LOOKIN THEN!

Offline PeWe

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Re: Speedo drive washer
« Reply #5 on: July 11, 2023, 07:42:06 AM »
My K6 has one like that from Motorradteile (Andy Cepok) eBay Germany.

The early bent down tabs is not an alternative when my front hub has no machined area as the earlier.
I use a later model of hub, otherwise looking the same. I used this model on my stock K6 hub too.

Not possible to order?
They have the longer bolts with nuts for dual discs too.
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CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline CycleRanger

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Re: Speedo drive washer
« Reply #6 on: July 11, 2023, 07:47:46 AM »
Here's some photos of a K0 front hub showing the speedo drive piece with the bent down tabs.
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